diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 89289e9cd..5c356e809 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up JDK 17
       uses: actions/setup-java@v5
diff --git a/.github/workflows/code-formatting.yml b/.github/workflows/code-formatting.yml
index edb07ce7f..fbb1f2b9c 100644
--- a/.github/workflows/code-formatting.yml
+++ b/.github/workflows/code-formatting.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up JDK
       uses: actions/setup-java@v5
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 7f52a189a..954893a25 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - uses: actions/setup-java@v5
       with:
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index c90327e3c..f1110b8b4 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up JDK
       uses: actions/setup-java@v5
@@ -48,7 +48,7 @@ jobs:
         sed "s/{shortcommit}/${GITHUB_SHA:0:8}/g;s/{commit}/${GITHUB_SHA}/g;s#{repo}#${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}#g" .github/workflows/coverage/index.html.template > build/gh-pages/index.html
 
     - name: Check out GitHub Pages branch
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         ref: gh-pages
         clean: false
diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index d178a4143..205cfb12c 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up JDK ${{ matrix.java }}
       uses: actions/setup-java@v5
diff --git a/.github/workflows/release-verify-signatures.yml b/.github/workflows/release-verify-signatures.yml
index a095a5b0d..715345de0 100644
--- a/.github/workflows/release-verify-signatures.yml
+++ b/.github/workflows/release-verify-signatures.yml
@@ -44,7 +44,7 @@ jobs:
 
     steps:
     - name: check out code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         ref: ${{ github.ref_name }}